Branchlets pubescent to glabrescent with minute scurfy hairs intermixed with unguicular scales.

枝具短柔毛到后脱落有鳞屑毛与具鳞片混生。

In Japan the leaf sheaths are always conspicuously tuberculate-hispid; the older, lower sheaths with disarticulated blades are glabrescent and spotted with tubercles.

叶鞘总显著具糙硬毛具瘤；最旧，更下部鞘具叶片后脱落和斑点具瘤。